Multiple Choice
Calculate the pH of a 0.080 M carbonic acid solution,H2CO3(aq) ,that has the stepwise dissociation constants Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11.
A) 1) 10
B) 3) 73
C) 6) 37
D) 10.25
Correct Answer:
Verified
Correct Answer:
Verified
Q14: What is the hydronium ion concentration of
Q17: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4939/.jpg" alt=" -Which
Q19: What is the approximate pH of a
Q20: Which one of the following salts,when dissolved
Q59: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg" alt=" -Of the elements
Q134: Bromothymol blue indicator changes color from yellow
Q170: An acidic solution at 25°C has<br>A)[H<sub>3</sub>O<sup>+</sup>] >
Q175: The value of K<sub>a</sub> for a 0.250
Q177: At 50°C the value of K<sub>w</sub> is
Q196: In the following reaction the unshaded spheres